gamma Hear it!

gamma definition

gamma (gam′ə)

noun

  1. the third letter of the Greek alphabet (Γ, γ)
  2. the third of a group or series
  3. a microgram
  4. a number indicating the degree of contrast between the darkest and lightest parts of a photographic image
  5. a unit of magnetic field intensity equal to 10

Etymology: ME < Gr < Sem, as in Heb gimel, akin to gamal, camel

adjective

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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